4.2-4 sinc, 40t s to be transmitted using AM with ? < 1. The signal x()...
4: An AM signal has the form s(t) = A (1 + il cos(mt) cos wet with wm <we and u <1. The signal is to be demodulated using the simple envelope detector shown in the following plot. AM sinal (a) Sketch v.(t) when wm <1/RC <we (b) Comment on suitability of such an envelope detector for demodulating an amplitude modu- lated signal: (i) With both sideband and full carrier as in the AM radio system. (ii) With full carrier...
1. Suppose x(t)-1f 4<t<5 otherwise 0 Determine the absolute time duration of this signal and plot it. 2. Suppose lnlf n 2 otherwise Classify this signal as left-sided, right-sided, two-sided, or time-limited and plot it.
Find ao and the first five ak's and by's for the following signal. x(t) = 2 + t + t ; <t<tt
Compute and sketch the convlution of y[n] = x[n]*h[n] using the graphical method for discrete signal where x[n] = h[n] = 2.-1<n<3 0, other wise
2. Determine and sketch the spectrum, the Fourier transform, of x() where -2l +cos(0)+ jsin for -<t<
Problem No. 1: Let us consider that a baseband message signal m(t)=4cos(2000xt) has to be transmitted from a location 'A' to its destination 'B' using a carrier signal given by c(t)=2cos(10000#t). The signal s() m(t)c(i) is the modulated signal which will be transmitted. Consider that the signal is transmitted through a noiseless channel and received at the receiver at location 'B' as the signal s(t). Based on this information, perform the following tasks. 1. Find, sketch and label the spectrum...
Homework 4.2 Score: 0/7 077 answered < Question 1 > If f(x) = 2x2 - 6.0 +4, find f'(4). Use this to find the linear approximation to f(T) at I = 4. The equation of this linear approximation is L(x) = Use L(c) to approximate f(4.3). (Find the actual number value.) f(4.3) Compare this with the actual value of f(4.3) = Submit Question
(a) Sketch the spectrum of the signal r(t). Show the spectrum as a function of f in Hz For the rest of this problem, assume that the signal is sampled at a rate of fs 50 Hz. (b) Sketch the spectrum for the sampled signal rn). Your spectrum should be shown as a function of the normalized frequency over the interval-2π < -+2T. c) Write an equation for the sampled signal [n. (d) Suppose that the signal is reconstructed from...
This is from signal and system course. please i need a clear easy to understand steps. Find the cosine representation Fourier series for the signal: x(t) = t? for – 1<t <1
Engineering Analysis Q.1. f(t) = {S; if - 4 <t<o if 0 st <4 a) Sketch the function for 3 cycles [5 points ] b) Find the Fourier series for the function. [15 points)